Home / 4,761.21-6,569.69-2,991.57

Finding the Fourth Proportional to 4,761.21, 6,569.69 and 2,991.57

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Solution

The fourth proportional to 4,761.21, 6,569.69 and 2,991.57 is: 4,127.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.21 : 6,569.69 = 2,991.57 : x
  2. Step 2: Convert to fraction form
    4,761.21/6,569.69 = 2,991.57/x
  3. Step 3: Cross multiply
    4,761.21x = 6,569.69 × 2,991.57
  4. Step 4: Simplify right side
    4,761.21x = 19,653,687.51
  5. Step 5: Solve for x
    x = 19,653,687.51/4,761.21
  6. Step 6: Final answer
    x = 4,127.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.